6080 se cathode follower

singh santa · 19th April 2009, 03:46 AM

Hello everybody,
I'm going to build a power amp output 3.5w/channel from cathode with one 6080.
I need help here before I go...
Any ideas ?
Many thanks in advance.
Singh

SY · 19th April 2009, 09:54 AM

The trick, as always with CF output stages, will be getting a very linear, very high voltage capability driver stage. This will not be a trivial undertaking!

singh santa · 20th April 2009, 11:35 AM

Quote:

Originally posted by SY
The trick, as always with CF output stages, will be getting a very linear, very high voltage capability driver stage. This will not be a trivial undertaking!

Hi,
I like tricks.I'm working on shrinking a schematic file,will post later.
Cheers!
Singh

singh santa · 20th April 2009, 02:34 PM

Quote:

Originally posted by singh santa

Hi,
I like tricks.I'm working on shrinking a schematic file,will post later.
Cheers!
Singh

Hello,
Here's the schematic I'll follow.

Shoog · 20th April 2009, 06:17 PM

Its not as hard as it sounds to get a good linear driver for the 6080. These tubes are at their happiest when run hard and low. I have had great success running them at 100V and 100mA, which gives a drive of about 60V Peak to Peak - which is well in the capabilities of most driver stages.

Shoog

singh santa · 21st April 2009, 01:56 AM

[QUOTE]Originally posted by Shoog
[B]Its not as hard as it sounds to get a good linear driver for the 6080. These tubes are at their happiest when run hard and low. I have had great success running them at 100V and 100mA, which gives a drive of about 60V Peak to Peak - which is well in the capabilities of most driver stages.

Hi Shoog,
Thank for your advise.
Cheers!
Singh

19th April 2009, 03:46 AM	#1
singh santa diyAudio Member Join Date: Mar 2009	6080 se cathode follower Hello everybody, I'm going to build a power amp output 3.5w/channel from cathode with one 6080. I need help here before I go... Any ideas ? Many thanks in advance. Singh

19th April 2009, 09:54 AM	#2
SY diyAudio Moderator Join Date: Oct 2002 Location: Chicagoland Blog Entries: 1	The trick, as always with CF output stages, will be getting a very linear, very high voltage capability driver stage. This will not be a trivial undertaking! __________________ If there's a sucker born every minute, where do the rest of them come from?

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20th April 2009, 06:17 PM	#5
Shoog diyAudio Member Join Date: Aug 2002 Location: Eire	Its not as hard as it sounds to get a good linear driver for the 6080. These tubes are at their happiest when run hard and low. I have had great success running them at 100V and 100mA, which gives a drive of about 60V Peak to Peak - which is well in the capabilities of most driver stages. Shoog

21st April 2009, 01:56 AM	#6
singh santa diyAudio Member Join Date: Mar 2009	[QUOTE]Originally posted by Shoog [B]Its not as hard as it sounds to get a good linear driver for the 6080. These tubes are at their happiest when run hard and low. I have had great success running them at 100V and 100mA, which gives a drive of about 60V Peak to Peak - which is well in the capabilities of most driver stages. Hi Shoog, Thank for your advise. Cheers! Singh